| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.980 | 19/6:00.620 |
| 2 | 1 | 19.513 | 19/6:05.684 |
| 3 | 2 | 20.268 | 19/6:12.153 |
| 4 | 1 | 18.377 | 19/6:06.406 |
| 5 | 1 | 19.086 | 19/6:05.651 |
| 6 | 2 | 20.927 | 19/6:10.978 |
| 7 | 2 | 18.349 | 19/6:07.786 |
| 8 | 1 | 18.354 | 19/6:05.403 |
| 9 | 1 | 18.463 | 19/6:03.780 |
| 10 | 1 | 18.030 | 19/6:01.659 |
| 11 | 1 | 18.555 | 19/6:00.831 |
| 12 | 1 | 18.385 | 20/6:18.812 |
| 13 | 1 | 19.942 | 19/6:01.335 |
| 14 | 1 | 19.938 | 19/6:02.584 |
| 15 | 1 | 18.455 | 19/6:01.788 |
| 16 | 1 | 17.833 | 19/6:00.353 |
| 17 | 1 | 18.057 | 20/6:18.249 |
| 18 | 1 | 20.943 | 19/6:01.480 |
| 19 | 1 | 18.546 | 19/6:01.001 |